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For accessing position and direction of the user's eyes, please try InputRayUtils
class in the MRTK, more information about it please see:Accessing input state in MRTK
As a side note, we always recommend the latest MRTK version as the best version to develop the MR app, and the current recommendation is to use MRTK 2.7.2. Please review the Upgrade Guide for guidance on how to upgrade your project.
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